Dental definition

a marine mollusk of the genus Dentalium, with a curved conical shell resembling a tooth.
See Dentalium Etymology:

1. [L

dens, dentis, tooth:cf.
F. dental.
See Tooth.] Pertaining to a tooth or teeth, or to odontology. den′tal, adj. belonging to the teeth:produced by the aid of the teeth.— n.

Dental (adj) of or pertaining to the teeth or to dentistry; as, dental surgery.
Etymology:

1. [L

dens, dentis, tooth:cf.
F. dental.
See Tooth.] Dental (adj) formed by the aid of the teeth; -- said of certain articulations and the letters representing them; as, d t are dental letters.